Question #22 - My answer was marked wrong on this test. I need the correct answer and explanation for test corrections.

2 22. ball is suspended by a lightweight string, as shown in the figure above. The ball is displaced to position 1 and released. The four labeled positions are evenly spaced along the arc of the ball's motion. Between which adjacent pairs of positions is the change in kinetic energy of the ball greatest? a. 1 and 2 b. 2 and 3 c. 3 and 4 d. The change is the same for all pairs e. None of the above