The sargon was running now, the momentum of down-slope adding to its normal high speed when on a trail.

Deke was off, pelting away as fast as he could go, fear adding to his speed.

If we hit a nice air current, we could add twenty miles per hour to our speed.

Diving, on the other hand, could add half again to a plane's top speed.

I was certain he knew just who the stable boy was, and it added to my speed.

The straight lead should always be held loosely with a slight motion, this adds to its speed and makes it harder to see and block.

Each moment added to its speed - to its headlong impetuosity.

He taught Lindwall to add accuracy and variation to his raw speed.

The rotor's operation added consistently more than 15 per cent to the ship's speed, on all headings before and against the wind.

The ship drove on at a steady three gravities of acceleration, adding five million miles an hour to its speed every day.