"vel[2] v time
0.0000000000000	0.0000000000000
0.3515742187500	-0.0186420948533
0.7031484375000	-0.0198277102815
1.0547226562500	-0.0193121115920
1.4062968750000	-0.0183027672474
1.7578710937500	-0.0179615409977
2.1094453125000	-0.0214380663643
2.4610195312500	-0.0248329694274