An astronaut went in a rocket at velocity \( 1.5 \times 10^{8} \mathrm{~ms}^{-1} \) to \( \mathrm{KN}-1 \) planet. Length of the rocket on earth was 100 m . What will be the length of the moving rocket measured from the earth?

A 34.3 m

B 43.3 m

C 86.6 m