The speeds of two bodies are in the ratio 2 : 3. If the difference in the time taken to cover 50 m is 10 sec, then find the difference in their speeds.

A

$$\frac{8}{9}$$ m/sec

B

$$\frac{5}{6}$$ m/sec

C

$$\frac{6}{5}$$ m/sec

D

$$\frac{7}{5}$$ m/sec