A particle starts moving from the point (1, 2, 3) under velocity i cap+2j cap+3k cap for 2 seconds. After that it moves under velocity i cap-2j cap+3k cap for the next two seconds. What is the coordinate of the final point?

(A) (5, 2, 5)
(B) (5, 2, 15)
(C) (1, 2, 15)
(D) None of these