4 Fig. 1 is the velocity-time graph for the motion of a body. The velocity of the body is \(v \mathrm {~m} \mathrm {~s} { } ^ { 1 }\) at time \(t\) seconds.
\begin{figure}[h]
\includegraphics[alt={},max width=\textwidth]{bdbebc7f-0cb1-4203-8058-7614ba291508-3_656_1344_401_399}
\captionsetup{labelformat=empty}
\caption{Fig. 1}
\end{figure}
The displacement of the body from \(t = 0\) to \(t = 100\) is 1400 m . Find the value of \(V\).