t_60=[3.73 3.75 3.69 3.83];
t_70=[2.73 2.73 2.73 2.70];
t_80=[2.16 2.13 2.05 2.09];
t_90=[1.64 1.73 1.55 1.7];
t_100=[1.30 1.33 1.34 1.35];

v_60=3/mean(t_60)
v_70=3/mean(t_70)
v_80=3/mean(t_80)
v_90=3/mean(t_90)
v_100=3/mean(t_100)


vx=linspace(10,100,10);
vy=[0 nan nan nan nan v_60 v_70 v_80 v_90 v_100];

plot(vx,vy,'*r')
xlabel('Velocidade (10-100)');
ylabel('Velocidade (m/s)');