A Spaceship Carrying a Light Clock Moves at a Speed

Multiple Choice

A spaceship carrying a light clock moves at a speed of 0.96 c relative to an observer on Earth. Relative to a frame of reference that is fixed with respect to the earth, how long does it take the clock to advance 1 s?

A) 5.83 s
B) 3.57 s
C) 0.96 s
D) 1.22 s
E) 2.59 s