Speed Calculation of a Cart on a Ramp

A small cart of mass 2 kg is initially at rest at the top of a frictionless ramp that is 5 meters high. When the cart is released, it accelerates down the ramp due to gravity. Assuming the acceleration due to gravity is 9.8 m/s², calculate the speed of the cart just before it reaches the bottom of the ramp. Use conservation of energy to find the speed at the bottom of the ramp.