Any electromagnetic wave in vacuum is about 881,000 times faster than any sound in air.
Ultrasonic means 'faster than sound'. This means no sound wave can be faster than sound.
A radio wave travels about 874,000 times as fast as a sound wave,plus it doesn't need any material to move through, as sound does.
The sound at 700 Hz vibrates faster, but both sounds travel from place to place through air at the same speed.
Reflected
Reflected
The speed is almost the same, for different frequencies.
One can learn information about this year's Sound Wave event from: Wikipedia, Sound Wave, Festival, Faster Louder, The Music, Connected Events, Sound Wave Croatia, Sound Wave AZ, The Age, to name a few.
Amplitude
The greater the density, the faster the wave moves. Sound (a wave) travels faster in steel than in air. Steel has the higher density.
30 c
Air
Sound doesn't travel in heat. It travels in a physical medium.