Between the Lines: Tricky Trivia

Tuesday, September 28, 2010

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

Take a guess in the comment below!

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