The speed and acceleration are constant. The velocity is zero, and the acceleration is constant. The speed and acceleration are changing. The velocity is zero, and the acceleration is changing.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A ball is thrown straight up. Which statement best describes the motion of the ball while the ball is at the maximum height?
Possibilities:
- The speed and acceleration are constant.
- The velocity is zero, and the acceleration is constant.
- The speed and acceleration are changing.
- The velocity is zero, and the acceleration is changing.

The velocity is zero, and the acceleration is constant.