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			First off, I dislike the phrase "live ball" when talking about a free kick that has gone 10 yards.  When an untouched scrimmage kick goes downfield it is also a live ball, even though K cannot recover and advance (yes, I know they can never advance it).  The same applies for a free kick that has not gone 10 yards. 
 
Also, since coaches like to yell "it's a live ball," I would doubt K would just stand there and watch the ball. 
 
In the case that it was just sitting there without anyone moving toward it, I would blow it dead once it is apparent no player is trying to possess it (maybe 1-2 seconds).
		 
		
		
		
		
		
		
			
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