Now place your skateboarder at the 6 meters mark and let the investigation play out. You can play it at Normal Speed. What happened and why?

As a language model AI, I am unable to physically place objects or initiate actions. However, based on the given scenario, if a skateboarder is placed at the 6 meters mark and the investigation is allowed to play out, it would depend on various factors such as the skater's skill level, speed, and the environment.

Assuming the skateboarder starts from a stationary position at the 6 meters mark and pushes off with their foot, they may begin to build momentum and move forward. Several outcomes could occur:

1. Success: If the skateboarder maintains balance, applies appropriate techniques, and overcomes any potential obstacles, they could successfully continue riding forward.

2. Loss of balance: Depending on the skateboarder's skill level, they may encounter difficulty maintaining balance while riding. This could lead to a loss of balance, resulting in a fall or stumble.

3. Obstacles: If there are obstacles, uneven surfaces, or other impeding factors in their path, the skateboarder may encounter challenges navigating through them, potentially leading to falls or collisions.

4. External factors: Environmental conditions, such as rain, gravel, or loose debris, could impact the skateboarder's ability to ride smoothly or maintain control.

Without more specific details, it is difficult to determine the exact outcome. It is worth noting that skateboarding is a complex activity, and various factors contribute to the outcome of any given situation.

To assess the scenario accurately, a complete investigation would require detailed information on factors like the skateboarder's initial speed, the angle of the ramp, any external forces, etc. However, based on the given instructions, we can assume that the skateboarder is initially at rest at the 6 meters mark and then allowed to freely slide down a ramp.

Here is a step-by-step breakdown of what might happen:

1. The skateboarder, starting from rest, will begin sliding down the ramp due to the force of gravity acting on them. The gravitational force will cause an acceleration downward, increasing the skateboarder's speed.

2. As the skateboarder descends, their gravitational potential energy is converted into kinetic energy. The increased kinetic energy results in an increase in speed.

3. The skateboarder will continue to gain speed as they move down the ramp until they reach the bottom. The amount of time it takes to reach the bottom will depend on the slope of the ramp.

4. If the ramp is frictionless and there are no other external forces, the skateboarder would reach the bottom of the ramp with a significant speed. However, if there is friction present or obstacles in the way, it could affect the outcome.

5. At the bottom of the ramp, the skateboarder may continue moving forward, potentially covering more distance beyond the 6 meters mark. The final distance covered will depend on various factors, including the initial speed, the angle of the ramp, and any external forces acting upon the skateboarder.

It's important to note that the exact outcome can vary significantly depending on the specific conditions and measurements of the scenario. The step-by-step explanation provided here presents a general understanding of the situation based on the information given.