question_answer

If \[\] is the density of the material of the body falling through a medium of density \[{{}_{m,}}\] then the terminal velocity of the body is proportional to:

A)  \[\]                       

B)        \[{{}_{m}}\]                       

C)  \[\text{+}{{}_{m}}\]                      

D)         \[\text{-}{{}_{m}}\]