'(<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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THE SCIENCE OF AUTUMN: 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
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
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
THE SCIENCE OF AUTUMN
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THE SCIENCE OF AUTUMN