If speed is relative, then energy should be relative as well. Relativity Say you are in space with one of your friends. And what you see is the distance between you and your friend is decreasing. But which is true? A) You are moving towards your friend. B) Your friend is moving toward you. C) Both of you are moving toward each other. Here's another scenario say 3 friends are demonstrating relativity, Adam, Bob, and Celia. Adam is driving 10 m/s on the road. Bob is driving 8 m