Between the Lines: Tricky Trivia

Tuesday, September 28, 2010

Tricky Trivia

How fast must a space vehicle travel in order to escape the earth's gravitational pull?

Take a guess in the comment below!

3 comments:

Laura @ Sawan-HeavenSeptember 28, 2010 at 10:47 AM
Super fast!
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KelSeptember 28, 2010 at 12:59 PM
LOL! Close!
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KelSeptember 29, 2010 at 8:03 PM
7 miles per second. In other words, Super fast (like Laura said).
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