Real time movement of an object.

Hi friends,
I’m new to Blender and wanted some help from you.
I want to rotate an object (a stick) so its tip tracks a series of xyz coordinates, which are read from a “trajectory.cvs” file. Rotation should be timed, so I see the movement at the correct speed.

trajectory.cvs contains a sequence of xyz in lines as follows:
3,4,7
2,0,6

So far, I have a function to read trajectory.cvs and another function which can rotate the object according to any xyz given coordinates.
I need it to start moving step by step (frames), but when I press “p” in the game engine it shows immediately the end position (no slow move).
Can you help some? I have another post with my script (rotating-stick).

Thanks in advance.