A reaction with an activation energy of 34.0 kJ/mol-1 has a rate constant of 26.8 s-1 at 354 K. What is the rate constant at 314 K?

a) 16.2 s⁻¹
b) 20.4 s⁻¹
c) 22.8 s⁻¹
d) 25.6 s⁻¹