A. Mach 3.43
B. Mach 2.91
C. Mach 6.72
D. None of These
Submitted by: Ghusharib Ur Rehman
The NASA/USAF X-15 is the fastest fighter jet ever produced. It reached record top speed of Mach 6.72 or 4,520 mph, which is more than five times the speed of sound.
Correct Answer: Mach 6.72 ✔
Last Updated: May 21, 2024