At what temperature would the rms speed of chlorine-35 atoms equal the following speeds? (Note: The mass of a chlorine-35 atom is 5.81 ✕ 10⁻²⁶ kg.)
(a) the escape speed from Earth, 1.12 ✕ 10⁴ m/s
(b) the escape speed from the Moon, 2.37 ✕ 10³ m/s