"vel[2] v time
0.0000000000000	0.0000000000000
0.3515742187500	0.0001000749645
0.7031484375000	0.0001525522831
1.0547226562500	0.0002295320834
1.4062968750000	0.0003007209221
1.7578710937500	0.0003961690708
2.1094453125000	0.0005085038328
2.4610195312500	0.0006465360650