Results for: subsonic speed

What is the antonym of subsonic?

You could use "hypersonic." It is not a precise synonym, as subsonic is below the threshhold of hearing, whereas hypersonic would be above it. Supersonic would refer to velocity faster than the speed of sound, whereas subsonic also refers to… Full Answer

Why no shock in subsonic?

A sonic boom is created by a shock wave when an object travels faster than the the speed of sound, or mach1. If the object does not achieve mach1 then there will be no sonic boom. Full Answer