Fps 1 : A common abbreviation for foot per second (ft/s or ft/sec), a traditional unit of speed or flow, or for frames per second, a unit used in video processing
Russ Rowlett (Director), How Many? A Dictionary of Units of Measurement, Center for Mathematics and Science Education University of North Carolina, USA 2005. http://www.unc.edu/~rowlett/units/dictA.html, (Unit of Meas and Covr Factors - Amer) {608}