Mars Rotates About Its Axis Once Every 88 642 S

Multiple Choice

Mars rotates about its axis once every 88 642 s. A spacecraft comes into the solar system and heads directly toward Mars at a speed of 0.800c. What is the rotational period of Mars according to the beings on the spaceship?

A) 53 100 s
B) 88 600 s
C) 105 000 s
D) 148 000 s
E) 181 000 s