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According to special relativity, which of the following people would see me aging most slowly? (I am sitting)
a person running by me at $6.0\ m/s$.
a person sitting next to me in a rocket traveling at half the speed of light.
a person viewing me from the top of a mountain.
a person beside me on a bus moving at $15\ m/s$.
All people would see me age at the same rate.