A science class is conducting a gravity investigation. They drop a tennis ball, a pencil, and a feather. When they drop each object, they time how long it takes the object to hit the ground and record the time in a data table. What are the students investigating during this lab? (1 point)
O How air resistance causes objects with different surface areas to fall at different speeds
How velocity causes objects with different surface areas to fall at different speeds
O How gravity causes objects with different surface areas to fall at different speeds
O How acceleration causes objects with different surface areas to fall at different speeds