What Is the Speed of a Rocket?


Quick Answer

There are different kinds of rockets, and they have varying speeds. However, a conventional rocket needs to travel at least 4.9 miles per second, or about 17,000 mph, to reach space at low Earth orbit, claims Redshift Live.

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Full Answer

Rockets are not build to go as fast as possible; they are built to meet the minimum speeds necessary to achieve their goals. Hence, the speed of a rocket depends on where it is going. For instance, a rocket needs to travel at least 24,200 mph to escape Earth's orbit, and at least 25,700 mph to reach lunar orbit, according to Northwestern University.

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