"trK v time
0.0000000000000	0.0000000000000
0.4000000000000	0.0003661126740
0.8000000000000	0.0040188358042
1.2000000000000	0.0153731097596
1.6000000000000	0.0379464014897
2.0000000000000	0.0757310976279