"vel[1] v time
0.0000000000000	0.0000000000000
0.3515742187500	0.0001000750835
0.7031484375000	0.0001525524541
1.0547226562500	0.0002112323270
1.4062968750000	0.0002796794131
1.7578710937500	0.0004118939993
2.1094453125000	0.0005939883259
2.4610195312500	0.0007064924941