"vel[1] v time
0.0000000000000	0.0000000000000
0.3515742187500	0.0186284040556
0.7031484375000	0.0198191796383
1.0547226562500	0.0193046977483
1.4062968750000	0.0182955280439
1.7578710937500	0.0179539910519
2.1094453125000	0.0214318086376
2.4610195312500	0.0248285400533