The Speed of Sound in Air At $0^{\circ} \mathrm{C}$ Is $331 \mathrm{~m} / \mathrm{s}$

The speed of sound in air at $0^{\circ} \mathrm{C}$ is $331 \mathrm{~m} / \mathrm{s}$ . If the density of air is $1.29 \mathrm{~kg} / \mathrm{m}^{3}$ , then what is the bulk modulus of air?

A) $2.50 \times 10^{5} \mathrm{~N} / \mathrm{m}^{2}$
B) $2.03 \times 10^{5} \mathrm{~N} / \mathrm{m}^{2}$
C) $1.68 \times 10^{5} \mathrm{~N} / \mathrm{m}^{2}$
D) $1.41 \times 10^{5} \mathrm{~N} / \mathrm{m}^{2}$
E) $1.15 \times 10^{5} \mathrm{~N} / \mathrm{m}^{2}$