A Rocket Ship Is 87

Multiple Choice

A rocket ship is 87.0 m in length when measured before leaving the launching pad.What would its velocity be if a ground observer measured its length as 62.0 m while it is in flight? (c = 3.00 × 10⁸ m/s)

A) 1.61 × 10⁸ m/s
B) 2.14 × 10⁸ m/s
C) 1.48 × 10⁸ m/s
D) 2.10 × 10⁸ m/s
E) ​1.91 × 10⁸ m/s