Ajay covers a certain distance in a certain times. If $\large\frac{1}{4}$ of the distance is covered in $\large\frac{3}{4}$ of the time with speed $V_1$ and the rest of the $\large\frac{3}{4}$ distance in $\large\frac{1}{4}$ of the time with speed $V_2$ then find the ratio $V_1:V_2$

Question

$\begin{array}{1 1} 1:4 \\ 1:9 \\ 9:1 \\ 3:1 \end{array}$