wants to take commercial passengers from New York to in less time than it takes to watch the average in-flight movie.America's space agency announced this week that it has been exploring 'the business case for supersonic passenger air travel.'The craft promises blistering speeds between Mach 2 and Mach 4, or from roughly 1,535 to 3,045 miles per hour (mph) — easily over twice as fast as an F/A-18 fighter jet's top speed of Mach 1.8 or 1,190 mph.
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