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Why does a rocket have to go 25,000 mph to escape Earth?

  • Written by Benjamin L. Emerson, Principal Research Engineer, School of Aerospace Engineering, Georgia Institute of Technology
Why does a rocket have to go 25,000 mph to escape Earth?A SpaceX Falcon 9 rocket with its Crew Dragon capsule launches from Cape Canaveral, Fla., in January 2024.Chandan Khanna/AFP via Getty Images

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Why does a rocket have to go 25,000 mph (about...

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