Lockheed SR-71 top speed= 3529km/h or mach 4
The Lockheed SR-71 "Blackbird" aircraft has a top speed of 2,200 mph.
no. it's top speed was calculated to only be mach 3.5
The top speed is approximately Mach 3.5. To be exact its top speed Mach3.2. is cruising speed is less than that. It is basicly three times the speed of sound.
8 mph
Mach 3, officially.
Mach 3.3.
Top Speed of 2,664.22 mph
2 hours
Mach 3.5 by SR-71.
Top Speed of 2,664.22 mph
Top speed is Mach 3.3.