The programs operate at variable speeds for a preset amount of time.

His world had become a videotape running at variable speeds.

The integration which was under way by members of the union should be achieved through a process of variable speeds.

They rode for at least forty minutes at variable speeds.

You can also listen to the messages at variable speeds.

If the output speed can be changed without steps over a range, the drive is usually referred to as variable speed.

The tool forces these needles against a work surface at variable speeds up to around 5,000 times per minute.

For transcription purposes, continuously variable speed was provided on many players.

But the Rio's thumb wheel has no such variable speed; it's four songs per turn, period.

"However, I would like to figure out how to time the tachyon burst with the variable speed of the wave."