It seems logical that modern fighter jets would be faster than those that flew half a century ago. But the opposite is true. The Vietnam-era F-4 Phantom could reach Mach 2.2, or about 1,500 mph, while ...
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How Fast Is Mach 1? (And Can You Actually Feel It?)
When legendary pilot Chuck Yeager broke the sound barrier and flew the Bell X-1 past Mach 1 in 1947, it was the greatest aviation milestone ever achieved at that time. These days, however, reaching ...
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