escape velocity

He was, of course, traveling at escape velocity or better, and you do not orbit at escape velocity.

And it's still men that will have to do it, escape velocity or no.

The planet didn't seem to be getting any closer at all, and it ought to; they were approaching it at better than escape velocity.

He ran off tangential to orbit at escape velocity on a pattern that would probably run in a straight path to infinity.

The blast we're saving to push to escape velocity is about three kilotons.