\documentclass{article}
\usepackage{pst-ode,pst-3dplot}
\usepackage[T1]{fontenc}
\usepackage[latin1]{inputenc}%

\begin{document}
\begin{center}
\psset{unit=0.74cm,Alpha=40,Beta=20}
\begin{pspicture}(-10,-2)(6,13)
\newpsstyle{vecteurA}{arrowinset=0.1,arrowsize=0.15,linecolor={[rgb]{0 0.5 1}}}
\pstVerb{
  /wc 5 def
  /tau 5 def
  /vx 20 def
  /vz 2 def
}
\pstODEsolve[algebraic]{particleXYZ}{0 1 2}{0}{25}{1000}{0 0 0 vx 0 vz}{
  y[3] | y[4] | y[5] | wc*y[4] - y[3]/tau | -wc*y[3] - y[4]/tau | -y[5]/tau
}
\listplotThreeD{particleXYZ}
\pstThreeDNode(0,0,0){O}
\pstThreeDNode(0,0,1){Z}
\pstThreeDNode(1,0,0){X}
\pstThreeDNode(0,1,0){Y}
\pstThreeDNode(-5,-9,0){A}
\pstThreeDNode(-5,-9,10){B}
\pstThreeDNode(-5,2,10){C}
\pstThreeDNode(-5,2,0){D}
\pstThreeDNode(5,-9,0){E}
\pstThreeDNode(5,-9,10){F}
\pstThreeDNode(5,2,10){G}
\pstThreeDNode(5,2,0){H}
\pstThreeDNode(0,0,0){M0}
\pstThreeDNode(vx 5 div,0,vz 5 div){V}
\pstThreeDNode(vx 5 div,0,0){Vx}
{\psset{linestyle=dashed}
\pspolygon(A)(B)(C)(D)
\pspolygon(E)(F)(G)(H)
\psline(A)(E)
\psline(B)(F)
\psline(D)(H)
\psline(C)(G)}%
\psline[linecolor=red]{->}(M0)(V)
\psline[linecolor=cyan]{->}(M0)(Vx)
\uput{0.1}[l](V){\red$\overrightarrow{v}_0$}
{\psset{linestyle=solid,linecolor=red}
\psline[style=vecteurA]{->}(O)(X)
\psline[style=vecteurA]{->}(O)(Y)
\psline[style=vecteurA]{->}(O)(Z)}%
\uput[u](Z){$z$}
\uput[dl](X){$x$}
\uput[r](Y){$y$}
\end{pspicture}
\end{center}
\end{document}
