--- /dev/null
+#FIG 3.2 Produced by xfig version 3.2.5
+Landscape
+Center
+Metric
+A4
+100.00
+Single
+-2
+1200 2
+6 1485 3915 6480 4005
+2 1 0 2 0 7 50 -1 -1 0.000 0 0 -1 1 0 2
+ 1 1 3.00 60.00 120.00
+ 1530 3960 6435 3960
+-6
+6 1530 1935 2925 3960
+2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
+ 1530 3960 2925 1935
+2 1 1 1 0 7 50 -1 -1 4.000 0 0 -1 0 0 2
+ 2925 1935 2925 3960
+-6
+6 2925 1935 4320 3960
+2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
+ 2925 3960 4320 1935
+2 1 1 1 0 7 50 -1 -1 4.000 0 0 -1 0 0 2
+ 4320 1935 4320 3960
+-6
+6 4320 1935 5715 3960
+2 1 0 1 0 7 50 -1 -1 0.000 0 0 -1 0 0 2
+ 4320 3960 5715 1935
+2 1 1 1 0 7 50 -1 -1 4.000 0 0 -1 0 0 2
+ 5715 1935 5715 3960
+-6
+2 1 0 2 0 7 50 -1 -1 0.000 0 0 -1 0 1 2
+ 1 1 3.00 60.00 120.00
+ 1530 1080 1530 3960
+2 1 2 1 0 7 50 -1 -1 3.000 0 0 -1 0 0 2
+ 5985 3060 1530 3060
+2 1 2 1 0 7 50 -1 -1 3.000 0 0 -1 0 0 2
+ 5985 1935 1530 1935
+4 0 0 50 -1 0 12 0.0000 6 165 270 5940 4230 $t$\001
+4 0 0 50 -1 0 12 0.0000 6 180 495 1125 1350 $v(t)$\001
+4 0 0 50 -1 0 12 0.0000 6 195 1230 945 3240 $v_{average}$\001
+4 0 0 50 -1 0 12 0.0000 6 180 945 945 2025 $v_{drift}$\001