england captain alastair cook has n't scored a test century for 33 inning .
cook became england 's second highest test run scorer on wednesday .
stuart broad said his skipper can put england in a winning position .
cook -lrb- 37 -rrb- and jonathan trott -lrb- 32 -rrb- were not out at stumps after day two .
england are 74-0 , 225 runs behind , after bowling west indies out for 299 .
broad said an action change overnight gave his bowling an added 10mph .