"vel[1] v time
0.0000000000000	0.0000000000000
0.3515742187500	0.0186284031862
0.7031484375000	0.0198189383719
1.0547226562500	0.0193043571266
1.4062968750000	0.0182956329214
1.7578710937500	0.0179509032802
2.1094453125000	0.0214282585681
2.4610195312500	0.0248244434758