"vel[1] v time
0.0000000000000	0.0000000000000
0.3515742187500	0.0186339671937
0.7031484375000	0.0198228516960
1.0547226562500	0.0193074474330
1.4062968750000	0.0182982837661
1.7578710937500	0.0179521707083
2.1094453125000	0.0214311452149
2.4610195312500	0.0248288599664