Maximum velocity, v_max, defined in Sect. 6, versus AGN bolometric luminosity. The red circles represent the SUPER targets, the dashed blue line shows the best fit relation for literature data compiled in Fiore et al. (2017). The black curves are the Menci et al. (2019) predictions for the shock velocity (approximated here by the measured v_max) versus AGN luminosity for galaxies. The three curves correspond to molecular gas masses of 2.7 × 10⁹ M_⊙, 6 × 10⁹ M_⊙ and 2 × 10¹¹ M_⊙, respectively. More details are given in Sect. 6.