'(<a href="http://www.j-archive.com/media/2010-11-10_DJ_23.wmv">Jimmy of the Clue Crew shows a film of the Space Shuttle in flight</a>.)  The speed needed for a rocket to break free of Earth's gravity--6.96 miles per second--is called this, E.V. for short'
escape velocity
SPACING OUT: The speed needed for a rocket to break free of Earths gravity--6.96 miles per second--is called this, E.V. for short
The speed needed for a rocket to break free of Earth's gravity--6.96 miles per second--is called this, E.V. for short
The speed needed for a rocket to break free of Earth's gravity--6.96 miles per second--is called this, E.V. for short
SPACING OUT
escape velocity
SPACING OUT