He demanded a reply from me.

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

This car decelerates very smoothly.

The car suddenly decelerated.

He solved the problem rapidly.

I'm always amazed at the speed of his work.

He succeeded in forcing the cultivation of tomatoes.

He used a special fertilizer to force the growth of tomatoes.

His breath is getting weaker.

This train is very fast.