A human can certainly survive traveling at Mach 10 (approx. 7,600 mph), but the survival depends entirely on the rate of acceleration and the protection of the vehicle. Speed itself does not kill; we are currently "traveling" at thousands of miles per hour as the Earth orbits the Sun. However, the G-forces required to reach Mach 10 quickly, or to make turns at that speed, would be lethal. For context, the Space Shuttle and Apollo capsules reached speeds of Mach 25 during re-entry, and astronauts survived because the acceleration was spread out over time. In a hypothetical 2026 hypersonic aircraft, a pilot would need a specialized "G-suit" and potentially liquid-immersion technology to prevent blood from pooling in the extremities. Additionally, the intense friction heat generated at Mach 10 would turn the air around the vehicle into plasma, meaning the cabin must have advanced thermal shielding to keep the occupant from being incinerated. So, while the speed is survivable in a straight line with gradual acceleration, any sudden maneuver at Mach 10 would exert hundreds of Gs, instantly crushing a human's internal organs and skeletal structure.