Rocket A travels with speed 0.800c relative to the earth. Rocket B passes rocket A with speed 0.500c relative to rocket A. Determine the speed of rocket B relative to the earth. Assume that the earth is an inertial reference frame. 
A) 0.714c
B) 0.929c
C) 1.30c
D) 1.40c
E) 1.70c
Correct Answer:
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