A car is moving with a constant speed of 60 km h -1 on a straight road. Looking at the rear view mirror, the driver finds that the car following his is at a distance of 100 m and is approaching with a speed of 5 km h -1 . In order to keep track of the car in the rear, the driver begins to glance alternatively at the rear and side mirror of his car after every 2 still the other car overtakes. If the two cars were maintaining their speeds, which of the following statement (s) is /are correct?