WHILE ACCELERATING FROM STANDING POSITION (AT STOP LIGHT PENDING GREEN LEFT TURN) I HEAR GRINDING AND A POP NOISE COMING FROM ENGINE WHEN TRANSMISSION APPARENTLY SLIPPED (DISENGAGED) SO THAT THE FORWARD DRIVE WILL NOT OPERATE. CAR'S MOMENTUM KEPT CAR MOVING FORWARD BUT WITHOUT POWER FROM DRIVETRAIN. PUTTING CAR IN REVERSE GEAR CAUSES SEVERE GRINDING NOISE AND NO CHANGE IN MOTION. CAR DOES NOT HAVE FORWARD OR REVERSE MOVEMENT WHEN PUT INTO GEAR AND IS COMPLETELY DISABLED. CAR THAT WAS BEHIND ME SUDDENLY SWERVED TO PREVENT REAR-END COLLISION WITH MY RAPIDLY DECELERATING VEHICLE (WITH NO BRAKE LIGHTS ACTIVATED TO WARN OF RAPID DECELERATION). *TR