The Figure Here Shows the Distribution of Molecular Speeds of a Gas

Multiple Choice

The figure here shows the distribution of molecular speeds of a gas for two temperatures T₁ and T₂. The speed $\nu _ { A }$ is

A) the rms speed of the molecules whose temperature is T₁.
B) the rms speed of the molecules whose temperature is T₂.
C) the average speed of the molecules whose temperature is T₁.
D) the average speed of the molecules whose temperature is T₂.
E) the most probable speed of the molecules whose temperature is T₁.