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Yes, it would. That's one reason why some artificial satellites were tossed into

orbit after being carried up aboard the space shuttle.

The reason is because escape velocity from Earth depends on Earth's gravity,

which in turn depends on the distance from the Earth's center. The higher you

go, the farther you are from the center of the planet, the less gravitational

force there is between you and the Earth, and the smaller the escape velocity

thus becomes.

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