"trK v time
0.0000000000000	0.0000000000000
0.4000000000000	0.0000222289719
0.8000000000000	0.0001967777848
1.2000000000000	0.0007010618577
1.6000000000000	0.0016966835372
2.0000000000000	0.0033616398427