A fellow astronaut passes by you in a spacecraft traveling at a high speed. The astronaut tells you that his craft is 22.5 m long and that the identical craft you are sitting in is 15.4 m long. (a) According to your observation, how long is your craft? m (b) According to your observation, how long is the astronaut's craft? (c) According to your observation, what is the speed of the astronaut's craft relative to your craft?