Rohan traveled from Agra to Delhi by bike with his friend. The odometer of his bike reads 4810 km at the start of the trip and 5024 km at the end of the trip. If it took them 4 hours and 20 minutes to complete their journey, what was the average speed?
1
39.4 km/h
2
54.4 km/h
3
48.4 km/h
4
49.4 km/h