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Here's a link to another VNE article. It also explains that just because 
Vne is a red line on an ASI that it is not a constant speed, unvarying 
with altitude. In fact, it decrease roughly 1.5% per 1000 feet of 
altitude.
Stall speed changes with the airplane's load, and yet the stall speeds 
are marked on the ASI.
http://www.vansaircraft.com/pdf/hp_limts.pdf<http://www.vansaircraft.com/
pdf/hp_limts.pdf>
By the way, Wikipedia doesn't vouch for the information contained on its 
site, so its meaningless to me as far as trying to prove assertions.
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