Please help! Its for a grade and im confused.

From point W to point Z, the ball is B- Potential energy was transformed to kinetic energy. We know this because, at point W, the ball is in its potential form, it has the potential to roll but it has not yet started to. As we let the ball go, we turn that potential energy into kinetic energy, which is the energy that it has due to its motion.

I hope I've helped! :)

answer; i believe that the correct answer is (b) melosis; plz check first.good luck