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To: RinConRon who wrote (7)2/1/2003 11:29:04 AM
From: Rande Is  Respond to of 627
 
RCR, what's a few hundred miles per hour among friends?



To: RinConRon who wrote (7)2/1/2003 1:16:20 PM
From: Ish  Read Replies (1) | Respond to of 627
 
<<Is 12,000 mph only Mach 6?>>

Mach is the speed of sound and it varies with altitude. Sound travels faster through denser air.