A ball is thrown straight up. It reaches its highest point and then falls back. Which of the following is the correct statement?
A. Throughout its motion, the ball's acceleration is zero
B. At the highest point in its motion, the ball's acceleration is zero
C. At the highest point in its motion, the ball's velocity and acceleration are zero
D. At the highest point in its motion, the ball's velocity is zero
E. Throughout its motion, the ball's velocity is zero
Answer: D
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