kdtd7510 kdtd7510 07-03-2024 Engineering contestada The light rail vehicle has a normal max operating speed of _____ MPH and ____ MPH during high speed testing.a. 55 MPH and 60 MPHb. 65 MPH and 70 MPHc. 45 MPH and 50 MPHd. 70 MPH and 75 MPH