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Instead of leveling off, however, the jet descended in less than 40 seconds at an estimated rate 157 feet per second (9,430 feet per minute [92] (more than 150 feet per second or 100 miles per hour (160 km/h)), and impacted at 9:20 p.m. local time, with such force that the flight data recorder was never located. [93]
This formula may also be used to calculate the power of a jet engine, using the speed of the jet and the thrust required to maintain that speed. Example: how much power is generated with a thrust of 4000 pounds at 400 miles per hour?
On May 3, 1999, the highest wind speeds recorded on Earth at 321 mph (517 km/h) took place during the 1999 Bridge Creek–Moore tornado outbreak. The estimated costs were $1 billion (about $1.8 billion in 2024). This event was the first issued tornado emergency by the National Weather Service in history.
The record stands unlikely to be broken, as restrictor plates were made mandatory at superspeedways in 1988 to reduce speeds, and the plates were then replaced in 2019 by tapered spacers which still reduced enough horsepower to prevent cars from going beyond speed of 205 mph. [65] The slowest tracks are Sonoma Raceway, a road course with a ...