English
Noun
rate of speed (plural rates of speed)
- Speed; rate of travel.
Usage notes
This phrase is often objected to on the grounds that it is redundant[1] or that it confuses speed with acceleration.[2]
References
- ^ Brians, Paul (25 May 2016) Common Errors in English Usage[1]
- ^ Tracy, David (18 April 2017) “Stop Saying 'Rate Of Speed'”, in Jalopnik[2]