4 set terminal postscript eps color "Times-Roman" 16
5 set output 'in-out.eps'
7 set yrange [-6000:11000]
8 plot "data" using 1:2 with lines, "data" using 1:3 with lines
13 set terminal postscript eps color "Times-Roman" 16
14 set output 'speed.eps'
17 plot "data" using 1:4 with lines