y {111) The trajectory of a vehicle is given by the relation v = -3.5*10_3*le+ 4.5 in which v and x are in meters. At the instant of the position 1-: = appmxirnatelv -15 rn from the origin, if the component of the vehicle speed along the at axis is constant lav 54 kah to the right and the vehicle is detected by a radar fixed to the point 0, elevate; a] the speed and acceleration of the vehicle; b) the angular velocity and the angular acceleration to be given to the radar 0