That is a good way to remember it, and the same principle applies to the Earth.Never mind. Retracted.
Jupiter's circumference is 445,000km and its day is 10 hours. Thus, 44,500km/h.
from Wikipedia http://en.wikipedia.org/wiki/Jupiter
Sidereal rotation
period 9.925 h[11] (9 h 55 m 30 s)
Equatorial rotation velocity 12.6 km/s
45,300 km/h