Kathy and Kimberly took part in a cycling race. Kathy cycled at a speed of 24 km/h. Both of them did not change their speed throughout the race. When Kimberly covered 15 the distance, Kathy was 3.2 km in front of her. Kathy reached the finishing line at 8.24 a.m. What time did Kimberly reach the finishing line?