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How fast is 10,000 kilometers per hour?

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It's about 50 times as fast as a Tornado
In other words, 10,000 kilometers per hour is 50.313460 times the speed of a Tornado, and the speed of a Tornado is 0.0198754 times that amount.
(EF2) (wind speed range average)
According to the Enhanced Fujita scale implemented by the US National Oceanographic and Atmospheric Administration, a "significant" tornado has an Enhanced Funjita scale classification of EF2 and is characterized by wind gust speeds between 177.02784 kph and 220.480128 kph. The largest recorded tornado — an F4 event occurring in Nebraska in May, 2004 — was almost 4.02 km (2.5 mi) across.
It's about forty times as fast as a Skydiver (headfirst)
In other words, the speed of a Skydiver (headfirst) is 0.026 times 10,000 kilometers per hour.
(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 260 kph. 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 forty times as fast as a Helicopter
In other words, 10,000 kilometers per hour is 35.20 times the speed of a Helicopter, and the speed of a Helicopter is 0.0284 times that amount.
(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 284 kph. 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 thirty times as fast as a Lamborghini Gallardo
In other words, the speed of a Lamborghini Gallardo is 0.032 times 10,000 kilometers per hour.
(for Gallardo LP 550-2, a.k.a. Valentino Balboni, 2009 model)
The Lamborghini Gallardo LP550-2 model Gallardo has a top speed of 320 kph. The Gallardo can reach speeds of 100 kph in just 3.9 seconds.
It's about thirty times as fast as The TGV (train)
In other words, the speed of The TGV (train) is 0.032 times 10,000 kilometers per hour.
(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 320 kph. 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 thirty times as fast as an Arrow (archery)
In other words, 10,000 kilometers per hour is 30.980 times the speed of an Arrow (archery), and the speed of an Arrow (archery) is 0.03228 times that amount.
(250 g arrow fired from 60#/28" bow)
A 250 gram arrow will reach speeds of approximately 322.8 kph 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 thirty times as fast as a Porsche 911
In other words, 10,000 kilometers per hour is 30.40 times the speed of a Porsche 911, and the speed of a Porsche 911 is 0.0329 times that amount.
(for Porsche 911 Type 997 GT2, 2007 model)
The Porsche 911 GT2 has a top speed of 329 kph. It takes just 7.4 seconds for the GT2 to accelerate to 161 kilometers per hour.