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How fast is 0.0043 mach?

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 It's about one-fiftieth as fast as a Skydiver (headfirst). In other words, the speed of a Skydiver (headfirst) is 50 times 0.0043 mach. (Head-to-Earth orientation or standing, average conditions, terminal velocity)A head-to-Earth or standing-oriented skydiver's terminal velocity assuming average conditions is about 0.220 mach. In a typical jump from 3,900 m (13,000 ft), a diver in this orientation will be in freefall for 46 seconds. It's about one-fifty-fifth as fast as a Helicopter. In other words, the speed of a Helicopter is 55.20 times 0.0043 mach. (for AH-64A Apache, a.k.a. Hughes Model 77) (maximum cruise speed)The AH-64 helicopter, one of the primary helicopters used by the United States Army, flies at a top cruise speed of 0.2380 mach. The AH-64 is the primary military helicopter of several nations including the United States, the United Kingdom, Israel, Japan, and the Netherlands. It's about one-sixty-fifth as fast as a Lamborghini Gallardo. In other words, the speed of a Lamborghini Gallardo is 63 times 0.0043 mach. (for Gallardo LP 550-2, a.k.a. Valentino Balboni, 2009 model)The Lamborghini Gallardo LP550-2 model Gallardo has a top speed of 0.270 mach. The Gallardo can reach speeds of 0.084 mach in just 3.9 seconds. It's about one-sixty-fifth as fast as The TGV (train). In other words, the speed of The TGV (train) is 63 times 0.0043 mach. (Train à Grande Vitesse) (for SNCF TGV Réseau, a.k.a. "Network" model, a.k.a. TGV-R) (maximum speed)The TGV Réseau sets have a top speed of 0.270 mach. The train is capable of travelling the 425 km (264 mi) distance from Paris to Lyon in East-Central France in about two hours. It's about one-sixty-fifth as fast as an Arrow (archery). In other words, the speed of an Arrow (archery) is 62.890 times 0.0043 mach. (250 g arrow fired from 60#/28" bow)A 250 gram arrow will reach speeds of approximately 0.27040 mach when fired from a 60-lb, 28-inch draw bow . Archeological evidence from the Ahrensburg valley near Hamburg, Germany indicates that arrows have been used since at least 11 to 12,000 years ago. It's about one-sixty-fifth as fast as a Porsche 911. In other words, the speed of a Porsche 911 is 64.10 times 0.0043 mach. (for Porsche 911 Type 997 GT2, 2007 model)The Porsche 911 GT2 has a top speed of 0.2760 mach. It takes just 7.4 seconds for the GT2 to accelerate to 0.1350 mach. It's about one-sixty-fifth as fast as The CRH (train). In other words, the speed of The CRH (train) is 67 times 0.0043 mach. (a.k.a. Hexie Hao, 和谐号, a.k.a. 和諧號, a.k.a. Héxié Hào, a.k.a. "Harmony")The CRH-3 train which runs on China's Beijing-Tianjin Intercity Railway are capable of speeds up to 0.290 mach. Theses train can make the 120 km (74 mi) journey from Beijing to Tianjin in about 30 minutes.