A passenger on an interplanetary express bus traveling at v=0.99c takes a 5 minute catnap, on HIS WATCH....?

Question

A.) How long does the nap last from your vantage point on a fixed planet?

B.) If the bus slowed to 10% of the speed of light, how long would you measure the passenger's catnap to be?

Answer 1

The passenger forgot to secure his breathing apparatus and died en-route.