An object starting from rest and accelerating at a constant acceleration $a$ can be described by the equation below. $v^2 = 2as$. Which row states the quantities represented by the symbols $v$ and $s$?
- A$v$ scalar, $s$ scalar
- B$v$ scalar, $s$ vector
- C$v$ vector, $s$ scalar
- D$v$ vector, $s$ vector