When a car rolls straight down a steep hill, what happens tot he car

Its speed increases.

Explanation:

When a car rolls straight down a steep hill, its speed will change suddenly. If the path is normal as before, then it may move with constant speed or somewhat hight speed i.e. it moves non-uniformly. But down a steep hill, the speed of the car increases.

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.