If the Average Speed of a Carbon Dioxide Molecule Is $\circ$

Multiple Choice

If the average speed of a carbon dioxide molecule is 410 m.s^-1at 25 ^$\circ$ C, what is the average speed of a molecule of methane at the same temperature?

A) 680 m.s^-1
B) 410 m.s^-1
C) 1130 m.s^-1
D) 1000 m.s^-1
E) 247 m.s^-1