sprinter runs 100 meters at a speed of 7 meters per second. Then she cools down by running 100 meters
3.5 meters per second. What is the best prediction?

Based on the given information, the best prediction would be that the sprinter will take less time to run the 100 meters at a speed of 7 meters per second than when she cools down and runs the same distance at a speed of 3.5 meters per second.