A vehicle moving at constant speed in the same direction on a circular track passes point B
- for the 3rd time 3 minutes after starting from point A,
- for the 7th time 8 minutes after starting from point A.
Accordingly, how many seconds after starting from point A does this vehicle pass point B for the first time?
A) 30
B) 35
C) 40
D) 45
E) 50