Simple plot

plot.tex

\documentclass[]{article}

\usepackage{pgfplots}

\begin{document}

\begin{tikzpicture}
\begin{axis}[
    title={Operational region using the constant range propagation model},
    xlabel={Speed (m/s)},
    ylabel={Distance (m)},
    xmin=20, xmax=210,
    ymin=0, ymax=303,
    xtick={20,40,60,80,100,120,140,160,180,200},
    ytick={0,40,80,120,160,200,240,280,320},
    legend pos=north west,
    ymajorgrids=true,
    grid style=dashed,
    width = 0.5\columnwidth,
    smooth
]
 
\addplot[
    color=blue,
    mark=x,
    ]
    coordinates {
    (20,183)(30,195)(40,195)(50,183)(60,153)(70,147)(80,0)(90,195)(100,0)(110,0)(120,0)(130,195)(140,189)(150,0)(160,195)(170,111)(180,0)(190,0)(200,0)(210,0)
    };
 
\end{axis}
\end{tikzpicture}

\end{document}