Rocket ship Able travels at 0.400c relative to an Earth observer. According to the same observer, rocket

Question:

Rocket ship Able travels at 0.400c relative to an Earth observer. According to the same observer, rocket ship Able overtakes a slower moving rocket ship Baker that moves in the same direction. The captain of Baker sees Able pass her ship at 0.114c. Determine the speed of Baker relative to the Earth observer.