Marina Exam Reviewer: At 0000 you fix your position and plot a new DR track line. At 0200 you again fix your position and it is 0.5 mile east of your DR. Which statement is TRUE?

Marina Exam Reviewer

At 0000 you fix your position and plot a new DR track line. At 0200 you again fix your position and it is 0.5 mile east of your DR. Which statement is TRUE? 

A. You must increase speed to compensate for the current. 
B. The drift is 0.25 knot. 
C. The current cannot be determined. 
D. The current is westerly at 0.5 knot. 

Answer:  B. The drift is 0.25 knot.