"kzz v time
0.0000000000000	0.0000000000000
0.0250000000000	-0.2672710482772
0.0500000000000	-0.5345423938283
0.0750000000000	-0.8018230314519
0.1000000000000	-1.0691302298272
0.1250000000000	-1.3364864914288
0.1500000000000	-1.6039127530856
0.1750000000000	-1.8714201627877
0.2000000000000	-2.1390033086018
0.2250000000000	-2.4066373598713
0.2500000000000	-2.6742804114768