A 3200 lb car needs to make it up a hill. The distance from the bottom of the hill to the top of the hill is 0.64 miles. The change in elevation from the bottom of the hill to the top of the hill is 210 feet.

What speed does the car have to traveling at the bottom of the hill to make it to the top without using the gas pedal?

Neglect drag, wind resistance, and friction.