Consider the following statements
If the distance‘s’ covered by a car on a smooth road in time‘t’ is equal to [t2(t-1) + 2] then the
1. Maximum velocity of the car will be at t=1/3 
2. Velocity of the car is (3t2 - 2t)
3. Acceleration of the car is (6t - 2) 
4. Car will travel a distance of 6 units starting from rest
Which one of the following is correct?
(a) 1, 2 and 3 (b) 2, 3 and 4 (c) 1, 3 and 4 (d) 1, 2 and 4