> You need to physically move an object at a supersonic speed to make a sonic boom. What do you think the object is pushing? “Speed of sound” is relative to a

> You need to physically move an object at a supersonic speed to make a sonic boom. What do you think the object is pushing? “Speed of sound” is relative to a medium, it doesn’t happen _unless_ you are pushing air around. It’s funny, this entire thread is literally “Please provide a source for this claim”, for which you are the one only providing rhetoric.