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AhaBulb: Stuff Everyone Should Know · ahabulb.com/aero-x15-mach67

The rocket-powered X-15 set a speed record of about what?

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  1. About Mach 2
  2. About Mach 25
  3. About Mach 6.7

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References

  1. X-15, NASA www.nasa.gov/reference/x-15 Checked 2026-10-10.

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