Determine what is the acceleration of the rocket

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An astronaut notices that a pendulum which took 2.45 {\rm s} for a complete cycle ofswing when the rocket was waiting on the launch pad takes1.26 {\rm s} for the same cycle of swingduring liftoff. What is the acceleration of the rocket? (Hint: Inside the rocket, it appears that g has increased.)

Reference no: EM13653548

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