In a piece of aluminum you want to make a pocket (milling of cavities), an end mill tool of 6 mm in diameter and 4 cutting sides will be used, the height of the cutting sides of the tool is 25 mm. The feed that will be taken per tooth will be 0.00003 meters / tooth, and a linear feed rate of 2.4 mm / second. Calculate the cutting speed in mts / min.