glm(formula = velocidade ~ tipo + temp, family = Gamma, data = dados3)

Deviance Residuals:
     Min        1Q    Median        3Q       Max
-1.28678  -0.36850  -0.07539   0.22761   1.77471

Coefficients:
                Estimate Std. Error t value Pr(>|t|)
(Intercept)    1.3855398  0.0258700  53.558   <2e-16 ***
tiposem_carga -0.0264949  0.0106029  -2.499   0.0126 *
temp          -0.0288825  0.0007038 -41.040   <2e-16 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

(Dispersion parameter for Gamma family taken to be 0.1954435)

    Null deviance: 616.32  on 1199  degrees of freedom
Residual deviance: 230.41  on 1197  degrees of freedom
AIC: 2587

Number of Fisher Scoring iterations: 5