If a vector has magnitude $|v ⃗ |=5$ and direction $\theta=\frac{7\pi}{4}$, find the vector’s horizontal and vertical components.

• A. $v_{x}=4.98$ and $v_{y}=0.479$
• B. $v_{x}=0.479$ and $v_{y}=4.98$
• C. $v_{x}=-3.54$ and $v_{y}=3.54$
• D. $v_{x}=3.54$ and $v_{y}=-3.54$