2 16/3 = 72 (km
)
It takes time for the trolley to arrive.
936 ÷ 72 = 13 (hours)
The distance traveled by a car per hour.
3 12 ÷ 4 = 78 (km)
It takes time for the bus to arrive.
1066 ÷ 78 = 13.7 (hours)
A: the trolley will arrive first.