Reentry does kind of by definition enter the hypersonic regime, but it's somewhat unintuitive to the layperson since Mach 5 is much slower at those very low pre

Reentry does kind of by definition enter the hypersonic regime, but it's somewhat unintuitive to the layperson since Mach 5 is much slower at those very low pressures, and it's an entirely different beast than flying at Mach 5 in-atmosphere proper