What is another word for mach one?
Pronunciation: [mˈɑːk wˌɒn] (IPA) 
The term "mach one" is typically used to indicate the speed of sound, which is approximately 761 miles per hour at sea level. However, there are several ways to express this concept using different words and phrases. Some synonyms for "mach one" include supersonic, beyond the sound barrier, and transonic. Other phrases that convey the same idea include breaking the sound barrier and traveling at the speed of sound. While these terms may be slightly different, they all describe the impressive rate of movement that occurs when an object exceeds the speed of sound.
