Suppose you are planning a trip in which a spacecraft is to travelat a constant velocity for exactly eightmonths, as measured by a clock on board the spacecraft, and thenreturn home at the same speed. Upon return, the people on earthwill have aged exactly fifty years.According to special relativity, how fast must you travel? (Expressyour answer to at least 5 significant figures as a multiple ofc -- for example, 0.95585c.)