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First falling objects reach what is called terminal velocity which is determined by wind resistance. Dropping from a higher point won't affect the speed when the object hits the ground.

Second I'm guessing that bunker busters and the like have several stages. The first probably blows a hole into the ground so that the main part of the bomb can penetrate further. It is also possible it just could sit there and drill down. Who is going to stop it?

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---- Daily Landscape

by rdf (robert.feinman@gmail.com) on Sun Apr 9th, 2006 at 06:03:33 PM EST
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Oops.  I should have read the whole sub-thread before commenting.
by ATinNM on Sun Apr 9th, 2006 at 09:43:26 PM EST
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