Mach 5 and above is hypersonic, mach 5 is 5 times the speed of sound, coming in at a SCORCHING 3,836.35 mph. Using temperature control he’s able to safely travel at this speed, and is able to prevent over-exhaustion and friction flames. He gained this speed from training. A lot. A whole lot. He is also specialized in fighting with his feet because of this, and mainly practices fighting with his feet. He is much more accustomed his cold abilities than his hot abilities, mainly because he only recently discovered them.