For gas at a temperature `T` the root-mean-square speed `v_(rms)`, the most probable speed `v_(mp)`, and the average speed `v_(av)` obey the relationship
A. `v_(av) gt v_(rms) gt v_(mp)`
B. `v_(rms) gt v_(av) gt v_(mp)`
C. `v_(mp) gt v_(av) gt v_(rms)`
D. `v_(mp) gt v_(rms) gt v_(av)`