"William Hughes" wrote in message

On Mon, 22 Sep 2003 15:20:05 +1200, in rec.aviation.military
(BackToNormal) wrote:

Was half paying attention to a TV doco on the Dambusters a few mins
ago and thought I heard the narrator say the Earthquake bomb
designed by Barnes Wallis broke the sound barrie on its way down.
Comments anyone?

Methinks you may have misinterpereted something. Iron bombs have the
same terminal velocity as everything else, about 135 mph, IIRC.

I think you're the one misinterpreting. Terminal velocity varies widely for
different objects -- it's a function of density, drag, and weight.

http://www.grc.nasa.gov/WWW/K-12/airplane/termv.html

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