"Growth velocity" refers to how fast something is growing or increasing in size or quantity. It measures the rate at which something is getting bigger or achieving more. Full definition
Energy and protein intakes of breast - fed and formula - fed infants during the first year of life and their association with growth velocity: the DARLING Study. (who.int)
Gracia, B., de Plata, C., Rueda, A., Mosquera, M., Suarez, M. F., and Pradilla, A. Effect of zinc supplementation on growth velocity of pre school children [Spanish]. (webmd.com)
The company's first reviews in 2002 from major industry journals catalyzed the huge growth Velocity Micro experienced in the following year. (velocitymicro.com)