Vm=dx/dt
0-2s: dx=4-2=2m, dt=2-0=2s vm=1m/s
2-4s: dx=6-4=2m, dt=4-2=2s vm=1m/s
4-6s: dx=8-6=4m, dt=6-4=2s vm=1m/s
6-8s: dx=0m vm=0m/s
8-10s: dx=0-8=-8m, dt=10-8=2s vm=-4m/s. Semnul minus din viteza inseamna ca masina merge in sens opus celui anterior.
Pe intervalul 0-6s viteza a fost aceeasi, 1m/s.
