1. I was wondering how C D varies with Ma at hypersonic speeds ? 2. The "'HSTDV "'is an unmanned scramjet demonstration aircraft for hypersonic speed flight. 3. Oblique shock waves are a phenomena only experienced during transonic, sonic, and hypersonic speeds . 4. When it comes to re-entry at hypersonic speeds , the properties of gases change dramatically. 5. Finally, scramjets with supersonic combustion cover the range of high supersonic to hypersonic speeds . 6. This flight simulated a 654-mile ( 1053-kilometre ) cross-range reentry, and banking at hypersonic speeds . 7. Most of the jet travels at hypersonic speed . 8. If successful, the flight will be the first of an air-breathing, nonrocket plane at hypersonic speeds . 9. The vehicle is at over 200, 000 feet ( 61 km ) in altitude and hypersonic speed . 10. According to a senior defense source, the missile obtained hypersonic speed , and reached an altitude of, entering space.
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