private void doStep() throws InterruptedException {
            stepNumber++;
            // write your code here

            if (owner.speed == 2)
            {
                Thread.sleep(500);
            }
            else if (owner.speed == 4)
            {
                Thread.sleep(250);
            }
            System.out.println(owner.getName() + " takes step " + stepNumber + "!");
        }
    }