Suppose You Kick a Soccer Ball Straight Up to a Height

Multiple Choice

Suppose you kick a soccer ball straight up to a height of 10 meters. Which of the following is true about the gravitational potential energy of the ball during its flight?

A) The ball's gravitational potential energy is greatest at the instant the ball leaves your foot.
B) The ball's gravitational potential energy is greatest at the instant when the ball is at its highest point.
C) The ball's gravitational potential energy is greatest at the instant it returns to hit the ground.
D) The ball's gravitational potential energy is always the same.