THE SCIENCE OF AUTUMN
'(<a href="http://www.j-archive.com/media/2009-11-09_DJ_21.wmv">Kelly of the Clue Crew shows a sports physics animation on the monitor.</a>)  World Series sluggers try to get backspin on the ball making it go farther, because the air moves faster over the upper surface providing this elevating force on the underside'
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