Jet kinematical properties as a function of the distance from the source. From top to bottom: a) intensity profiles of the [Sii]and the Hα lines integrated over their velocity profile and normalized to their peak intensity (red solid and green dotted-dashed line, respectively); b), c) peak radial velocity, V_rad, and full width at half maximum, ΔV, of the different velocity components in the jet as inferred from Gaussian deblending of the [Sii]λ6731 (HVC: red points, MVC, LVC: black points) and the Hαλ6563 (HVC: green points) line profiles shown in Fig. 3.