Answer:
5 |v|/6
Explanation:
sqrt( 25v^2/36)
We know that sqrt(a b/c) = sqrt(a) sqrt(b)/ sqrt(c)
sqrt(5) sqrt(v^2) / sqrt(36)
We do not know if v is positive or negative, but when we square it, it becomes positive, so we have to take the positive value of v
5| v|/6