As Measured from Earth, a Second of Time Marked by a Clock

Multiple Choice

As measured from Earth, a second of time marked by a clock aboard a fast (hypothetical) interstellar ship moving at v = 0.95c would be ________ compared with the second marked by a clock at rest on Earth.

A) 70.71 times shorter
B) 70.71 times longer
C) 7.09 times shorter
D) 3.20 times longer
E) 3.20 times shorter