[tex]\frac{-4v}{c^{2} } \\[/tex]
Given is v = -7 and c = -2
Substitute the given values to the equation\\
[tex]\frac{-4(-7)}{(-2)^2}[/tex]
Simplify the fraction
[tex]\frac{28}{4}[/tex]
[tex]7[/tex]
Therefore, the answer is 7.
