eli5: How do rockets not go over 3g’s while accelerating to 16958 mph?

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I saw a really stupid post on Facebook talking about “how rockets don’t work.” Flat earther conspiracy nonsense. I started reading on all the points the post made and the only one I didn’t understand is how at 22 x the speed of sound a rocket does not really go over 3g’s of force.

My assumption is that as the rocket travels further from the earth the gravity influence also influences g’s on an accelerating object?

Please help me with this one.

Thank you

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6 Answers

Anonymous 0 Comments

Most boosters throttle down their engines to reduce the amount of thrust as they get lighter due to burning off fuel.

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