While Astronauts in a Spaceship with a Speed of 0

Multiple Choice

While astronauts in a spaceship with a speed of 0.6c relative to Earth move outward from Earth toward Jupiter,they observe a cosmic ray shower that contains protons moving toward them.On Earth the speed of these protons is measured as 0.2c toward the spaceship.They measure the speed of the protons to be

A) 0.80c
B) 0.71c
C) 0.95c
D) 0.69c
E) 0.45c