The diagram illustrates the dimensions of an elastic cord that is used to launch a stone. When the cord is stretched into the arrangement shown, the tension in the cord is $T$. Which force is exerted on the stone by the elastic cord?
- A$\frac{3}{5}T$
- B$\frac{6}{5}T$
- C$\frac{8}{5}T$
- D$2T$