Which statement accurately describes the relationship between variables in the equation below? K=2v^2/m or "K" equals two "V" squared over "M"

A.) "K" varies jointly as "v" squared and is inversely proportional to "m"

B.) "k" is directly proportional to "v" squared and inversely proportional to "m"

C.) "k" varies jointly as "v" squared and "m"

D.) "K" is inversely proportional to "v" squared and directly proportional to "m"