kilometres per hour

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Noun1.kilometres per hour - the ratio of the distance traveled (in kilometers) to the time spent traveling (in hours)kilometres per hour - the ratio of the distance traveled (in kilometers) to the time spent traveling (in hours)
rate - a magnitude or frequency relative to a time unit; "they traveled at a rate of 55 miles per hour"; "the rate of change was faster than expected"
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References in classic literature ?
M.'s average worked out at a fraction over 500 kilometres per hour, thus constituting a record.
According to PMD, the speed of southwestern winds in Karachi is expected to rise up to 50 kilometres per hour, which otherwise blow at a speed of 30 kilometres per hour.
Summary: New Delhi [India], Feb 28 (ANI): Chittaranjan Locomotive Works (CLW) has turned out a new version of WAP-7 locomotive (WAP-7HS) having the potential of maximum service speed as 160 kilometres per hour as against the present maximum service speed is 140 kilometre per hour of WAP-7.
Ashghal said the speed limit will remain 80 kilometres per hour instead of 100 kilometres per hour.
Under the decision, the maximum speed of 140 kilometres per hour has been set for cars, 100 kilometres per hour for buses and 80 kilometres per hour for trucks in both directions on four major highways across the vast kingdom.
They are the bob raft, for four people, which can reached speeds of up to 80 kilometres per hour. There's also the speed luge, which offers solo riders the chance to go up to 90 kilometres per hour.
The National Transportation Safety Board said that the train's speed increased from 13 kilometres per hour to 34 kilometres per hour just 38 seconds before the crash, according to information gathered from two data recorders.
On Wednesday The Estonian Road Administration will start placing signs to raise the maximum legal speed to 110 kilometres per hour in select sections spanning altogether 133 kilometres of the country's main roads during the warm season.
* A curve on Brant Mill Road between Oakland Road/CKPC Road and 650 metres north of Jenkins Road/Smith's Mill Road--from 60 to 50 kilometres per hour;
A 12-YEAR-OLD boy was caught driving his mother's car at 110 kilometres per hour on a main street in Larnaca on Sunday putting other drivers at risk, police said.
Brigadier General Khalifa Mohammad Al Khaili, Director of Traffic and Patrol Directorate of Abu Dhabi Police, said, the speed limit on these roads will be 80 kilometres per hour for light vehicles and the radar will flash at 101 kilometres per hour.