Editing Metre per second (section)

{{Short description|SI derived unit of speed and velocity}}
{{Redirect|m/s|other uses}}
{{Infobox unit
| name         = Metre per second
| image        = 
| caption      = 
| standard     = [[International System of Units|SI]]
| quantity     = [[speed]]
| symbol       = m/s
| units1       = [[Kilometres per hour|km/h]]
| inunits1     = 3.6 
| units2       = [[Miles per hour|mph]]
| inunits2     = 2.2369
| units3       = [[Knot (unit)|kn]]
| inunits3     = 1.9438
| units4       = [[Foot per second|ft/s]]
| inunits4     = 3.2808
}}
The '''metre per second'''  is the unit of both [[speed]] (a [[scalar (physics)|scalar quantity]]) and [[velocity]] (a [[Vector (mathematics and physics)|vector quantity]], which has direction and magnitude) in the [[International System of Units]] (SI), equal to the speed of a body covering a [[distance]] of one [[metre]] in a time of one [[second]]. According to the definition of metre,<ref name="nist-definitions">{{Cite web |date=29 May 2019 |title=Definitions of the SI base units |url=https://physics.nist.gov/cuu/Units/current.html |access-date=8 February 2022 |website=physics.nist.gov}}</ref> {{val|1|u=m/s}} is exactly <math display="inline">\frac{1}{299792458}</math> of the [[speed of light]].

The [[International System of Units|SI unit]] symbols are '''m/s''', '''m·s<sup>−1</sup>''', '''m s<sup>−1</sup>''', or '''{{sfrac|m|s}}'''.<ref>{{Cite web |url=https://www.bipm.org/en/publications/si-brochure/section5-1.html |title=SI brochure, Section 5.1 |access-date=2018-06-08 |archive-date=2019-03-21 |archive-url=https://web.archive.org/web/20190321011313/https://www.bipm.org/en/publications/si-brochure/section5-1.html |url-status=dead }}</ref>