"vel[1] v time
0.0000000000000	0.0000000000000
0.3515742187500	0.0001000798366
0.7031484375000	0.0001525801375
1.0547226562500	0.0002296022925
1.4062968750000	0.0003008555282
1.7578710937500	0.0003910707878
2.1094453125000	0.0004863859051
2.4610195312500	0.0006193307061