Transatlantic airplanes are flying at the ‘speed of sound’ right now. Here’s why

Strong jet streams across the Atlantic are seeing passenger airplanes knock more than an hour off their flight times, as they hit speeds of 761 mph — the speed of sound. However, they’re not breaking the sound barrier — here’s why. Strong jet streams across the Atlantic are seeing passenger airplanes knock more than an hour off their flight times, as they hit speeds of 761 mph — the speed of sound. However, they’re not breaking the sound barrier — here’s why.  Read More  CNN.com – RSS Channel