He used to sleep while snoring all the time.

He used a stick to measure the depth of the river.

His foot is very fast.

His running speed was surprisingly fast.

I promised him to meet tomorrow.

The speed of sound is about 343 meters per second in the air.

The acceleration of this car is amazing.

His machine is moving at a speed of 5 meters per second.

Breaking news: An earthquake has occurred.

The television flashed the news of the earthquake.