For the scanner to work, cars will have to slow to 5 miles an hour.

The race's average speed was slowed to 125.105 miles an hour by the cautions.

Mitch instinctively slowed to thirty miles per hour, to wait for him.

He said surgery had slowed his fastball to 94 miles an hour from 98.

On some major highways, traffic slowed to five miles per hour.

Still, that should have been enough to slow the bus to below twenty-eight miles per hour.

The cold slowed Scott's progress north, to about 6 to 8 miles from 15 miles a day.

That's about how long it takes to slow the spacecraft from 13,000 to just under two miles an hour.

But if the operator slows to less than five miles an hour, the train can go past, or "key by," the signal and keep going.

Driving past, he slowed to less than five miles per hour.