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15000 km/hr !!
by vagesh on Jun 08, 2006 01:55 PM   Permalink

I think there was a typing mistake.....1 Mach corresponds to approx. 1100 km/hr and super-sonic limit is 4 mach! beyond 4 mach it will be hypersonic!

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Kalam flies on Sukhoi-30 MKI