It's 5 kilometers from my house to school.

The speed limit on this road is 60 kilometers.

His running speed was surprisingly fast.

The speed limit on this road is 60 kilometers per hour.

This game limits the time you can play in a day.

This road is very crowded.

This city has an area of about 20 square kilometers.

When an object is in free fall, its terminal velocity is determined by the balance between gravity and air resistance.

What is the initial velocity of this object?

He looked at the speedometer and checked the speed of the car.