Find the Sum, If It Exists, of the Terms of the Infinite

Find the sum, if it exists, of the terms of the infinite geometric sequence.
- $\left.\sum_{i=1}^{\infty}(-9) ,\left(-\frac{9}{7}\right) \right) ^{i}$

A) $-\frac{162}{49}$

B) $\frac{9}{7}$

C) $\frac{1296}{49}$

D) Does not exist