I put two cups at the bottom and then I flipped one cup over, and I just kept flipping.  My prediction was that slower things have more energy. I think that because you are using more energy because it’s slower, but you are using energy while it’s going and it’s still going slowly, but it’s still using energy, so it’s using more energy.  We found out that even though the ball knocked a lot over when it was slow, the faster ball had more power to it.