At 8 a.m., Fabian started from City Y and travelled towards City Z and his speed remained constant throughout. At 9 a.m., Victoria started her journey from City Y towards City Z at an average speed of 84 km/h. Victoria overtook Fabian at 2 p.m. After overtaking, Victoria carried on her journey at the same average speed and reached at City Z at 5:45 p.m.
- Find Fabian's average speed in km/h.
- What is the distance between the two cities?