#1
double velocity(30,2) 
0		0.000
10		13.889
20		13.889
30		19.444
40		19.444
50		13.889
60		13.889
70		5.556
120		5.556
130		13.889
180		13.889
190		19.444
200		19.444
210   13.889
290   13.889 
300		19.444
310		19.444
350		5.556
360		5.556
390		0.000
400		0.000
410		0.000
420		13.889
460		13.889
470		19.444
500		19.444
520		16.667
580		16.667
590		0.000
600		0.000
