"vel[1] v time
0.0000000000000	0.0000000000000
0.3515742187500	0.0186339876673
0.7031484375000	0.0198228811073
1.0547226562500	0.0193074570420
1.4062968750000	0.0182982670968
1.7578710937500	0.0179522825908
2.1094453125000	0.0214312320867
2.4610195312500	0.0248288785311