With both of them working at top speed, it had taken only six days.

Had the design worked at full speed, performance would have been excellent.

If your mechanics work at top speed, new ones can be put on in exactly two hours.

That's why she had the crew working at full speed to come up with answers of their own.

They were working at speed because Liz had explained the situation.

Either case suggests that American factories may continue working at full speed, he said.

Under pressure, the young inventor's mind seemed to work at top speed.

His brain was working at top speed as he scanned the sky ahead.

These could work at much higher speeds (hundreds of characters per second).

His brain was working at top speed, seeking a way out of their dilemma.