The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires a gun, she is driven back over the edge and into the sea. Suppose the mass of a bullet is 0.0142 kg and its velocity is +729 m/s. Her mass (including the gun) is 51.5 kg. What recoil velocity does she acquire in response to a single shot from a stationary position, assuming that no external force keeps her in place?

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