"vel[1] v time
0.0000000000000	0.0000000000000
0.3515742187500	0.0186283394309
0.7031484375000	0.0198196279444
1.0547226562500	0.0193057376762
1.4062968750000	0.0182964899550
1.7578710937500	0.0179635172254
2.1094453125000	0.0214433230331
2.4610195312500	0.0248416768152