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The Quadflip FMX Limit

The 2007 Summer X-Games are ramping up. Skateboarding, surfing, rally car racing, motocross and freestyle motocross (FMX) - that's what I call physics in action.

My favorite sport is the skateboarding, but freestyle motocross is a close second. Last year, Travis Pastrana landed the first double backflip ever in competition at the 2006 X-Games.

Check out this Youtube clip of Travis pulling off a double to win the best trick competition.

That's pretty cool, but you may be thinking (as I did), what's the limit to this backflip stuff? Triple backflips? Quadruple? Quintuple?

It turns out, based on the physics involved, that the most you can ever expect to see in FMX is a quadruple backflip.

To see why this is the limit, check out the first posting in my brand new blog Extreme Sports Physics.

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