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## Homework Statement

A rocket is launched straight up with constant acceleration. Four seconds later a bolt flies off the rocket. The bolt hits the ground 6.0 seconds later. What is the acceleration of the rocket?

## Homework Equations

acceleration = change in velocity/change in time

equations involving velocities and distance are of little use since the only knowns are time and that we have constant acceleration.

## The Attempt at a Solution

I tired setting up a proportion since it took only 4 seconds for the bolt to travel a set distance on the rocket therefore under the same acceleration and then it took 6 seconds for it to fall to the ground the same distance without the rocket' acceleration. So, it took 2/3 the time to travel with the ship than only with gravity affecting it. However, I can not come up with 5.5 m/second squared which is the correct answer. I am studying for an exam tonight and this simple misconception is really bothersome!!!!