Since the kinetic energy increases with the square of the speed, an object doubling its speed has four times as much kinetic energy. For example, a car traveling twice as fast as another requires four times as much distance to stop, assuming a constant braking force.
Google is your friend. :) Bally is an extremely common prefix to town names in Ireland, and is derived from the Gaelic phrase 'Baile na', meaning 'place of'. It is not quite right to translate it 'town of', as there were few, if any, towns in Ireland at the time these names were formed.
Moy is of Egyptian origin and it is used largely in the English language. Moy is a short form of Moses (English and German). Moy is not frequently used as a baby boy name. It is not listed in the top 1000.