A Boat Has an Initial Velocity of 2 M/s in the Y

Multiple Choice

A boat has an initial velocity of 2 m/s in the y direction on a stream, which is moving in the x direction at 1 m/s. The boat is accelerating in its direction of motion at 1 m/s2. What is the acceleration of the boat (in m/s2) relative to the water?

A) 1 $\hat{\mathbf{i}}$
B) 2 $\hat{\mathbf{i}}$
C) 3 $\hat{\mathbf{i}}$ +
$\hat{\mathbf{j}}$
D) 3 $\hat{\mathbf{i}}$ -
$\hat{\mathbf{j}}$
E) 1 $\hat{\mathbf{j}}$