"vel[1] v time
0.0000000000000	0.0000000000000
0.3515742187500	0.0001000799556
0.7031484375000	0.0001525803160
1.0547226562500	0.0002040512062
1.4062968750000	0.0002633457272
1.7578710937500	0.0003587823526
2.1094453125000	0.0004832740875
2.4610195312500	0.0006444600467