A Rocket Ship Is 74

Multiple Choice

A rocket ship is 74.0 m in length when measured before leaving the launching pad.What would its velocity be if a ground observer measured its length as 60.0 m while it is in flight? (c = 3.00 × 10⁸ m/s)

A) 1.76 × 10⁸ m/s
B) 0.980 × 10⁸ m/s
C) 1.98 × 10⁸ m/s
D) 1.15 × 10⁸ m/s