1150.90 mph
1852.2 km/h
or
0.000001716 speed of light
not sure how you wanted it
mach 8.
2 mach approximately.
The north American x-15 travels at mach 6.72
F-15C's can go Mach 2.5
the f-15 eagle can go 1875 miles per hour or mach 2.5+From what I Have read and searched for, the top speed of the F-15 is mach 2.5 plus. 1,875 mph
At high altitudes the F-15 can do Mach 2.5+ (1,650+ mph) at low altitudes it can go Mach 1.2 (900mph).
Scramjets can reach speeds up to Mach 15 (15 times the speed of sound) which is around 11,500 mph (18,500 km/h). They are designed to operate efficiently at hypersonic speeds, typically around Mach 5 or higher.
The F-4B Phantom II was capable of Mach 2.5. The SR-71 Blackbird went Mach 3, and was used as a reconnaisance aircraft. The X-15 was capable of Mach 6.7
Mach 0.8-1.0
F-15's are rated for mach 2.5, but that is under ideal conditions with little or no weaponry/fuel.
Mach 1.7 is equal to about 1294 mph.
645.38104_MPH_">645.38104 MPH-is 0.87 Mach -