what are all of the categories?
rocket-powered aircraft, manned air-breathing craft, propeller-driven aircraft, piston-engined propeller-driven aircraft, helicopter, glider (sailplane), human-powered aircraft
and their speed in km/h?
7,258, 3,530, 870, 850.1, 401.0, 306.8, 32
what about just between manned air-breathing craft and rocket-powered aircraft?
7,258, 3,530
which of the two categories is faster?
rocket-powered aircraft