8. A child rolls a ball up a hill as shown. The same child then throws an identical ball up the hill. When both balls end up in the same location on the hill, which of the following correctly describes the potential energy change for each ball? A. Both balls have the same potential energy change. B. There is no potential energy change for either ball. C. The thrown ball has a greater potential energy change than the rolled ball. D. The thrown ball has a smaller potential energy change than the rolled ball