so, to thro some rough numbers, theoreticaly, using a motor rated at 6000watts, at 1740kv, max of 44 volts, = 76560rpm...
say an 8 inch wheel, x 76560 rpm = 612460 inches per minute = 933.38904 km / hr
so, I in no way at all wanna go that fast, ever.. (at least not with todays technology)
so...