clock at

clock (someone or something) at (a certain speed)

To track the speed at which someone or something moves. (The speed is stated after "at.") You're getting a ticket because I clocked you at 90 miles an hour—and the speed limit here is only 55.
See also: certain, clock
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

clock someone or something at something

to measure the speed of someone or something to be a certain figure. I clocked the runner at a record speed for the race. Karen clocked the race at three minutes flat.
See also: clock
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also:
References in classic literature ?
But this clock's so much before the clock at the Chase, there's no telling what time it'll be when I get here."
In other words, trainees were set the task of building a clock at the end of their apprenticeship that would prove their ability and expertise.
The Narragansett Historical Society will hold a program on the clock at 4 p.m.
Controlled by a master clock inside the building, it's part of a series of timepieces that first operated by sending electrical signals to a clock at London Bridge, which then transferred pulses to other clocks throughout England.
The range includes large metal spike wall clock at pounds 35, butterflies wall clock at pounds 25, this colour block design at pounds 25 and the lotus black wall clock at pounds 35.
That's the time according to the concourse clock at Cardiff Central railway station, which has shown the wrong time for the past fortnight.
Thanks to an exclusive home trial you can get this clock at a special introductory price.
She tended the wounded from nine o'clock at night "until just before daylight." (60) Sunday, a day Bacot usually reserved for relaxation, became a day of war and work.
A key element within the Serializer is the Clock Multiplier Unit (CMU), which takes a reference clock at 106.25 or 53.125MHz and multiplies it by l0x or 20x to generate the bit rate clock used to serialize the data.
If you lit a candle clock at nine o'clock and it burned two bands, what time would it have been?
Pistilli said General Time is hoping to introduce the clock at the office level and then have it trickle down into use at home, much like computers, e-mail and voice mail.
Gibbon and other scientists presented the new findings on the interval clock at a session of the American Association for the Advancement of Science's annual meeting in Baltimore this week.
Durst remounts debt clock at 43rd and Ave of Americas
CUTLINE: The clock at the intersection of Main Street and Maple Avenue was struck by a car in July.
The mid market will grow because there's room for a quality clock at a mid-range price.