speed \(v\), \(c\)

https://doi.org/10.1351/goldbook.S05852
Scalar quantity equal to the absolute value of the @V06607@ vector.
Sources:
Green Book, 2nd ed., p. 11 [Terms] [Book]
PAC, 1996, 68, 957. (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 993 [Terms] [Paper]