Joshua was driving to a friend’s house to study. During his trip, he started on pavement. At one point, he hit an ice patch on the road, but then he returned to pavement. The road then turned into a gravel road.

Which best describes the frictional force of his trip?

Friction increased when he went from pavement to ice and then decreased two more times.
Friction decreased when he went from pavement to ice and then increased two more times.
Friction increased when he went from pavement to ice and then decreased one additional time.
Friction decreased when he went from pavement to ice and then increased one additional time.