I have been interested in how Gyroscopes work and now have a question about this video: http://www.youtube.com/watch?v=8H98BgRzpOM&feature=related If we spun such a wheel up to speeds close to the speed of light, what would happen if we cut the rope off? After some pondering, using my little knowledge of classical physics, I came to the conclusion that it wouldn't fall with the same G as an apple would, right? And the higher the speed, the slower the acceleration toward earth. Correct me please if I am wrong. P.S. My background is not physics, but mechanical engineering.