Two rockets are flying in the same direction and are side by side at the instant their retrorockets fire. rocket a has an initial velocity of +5300 m/s, while rocket b has an initial velocity of +8700 m/s. after a time t both rockets are again side by side, the displacement of each being zero. the acceleration of rocket a is -11 m/s^2. what is the acceleration of rocket b?
Answers: 2
) 5300m/s
) 8700 m/s
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