A ferris wheel at an amusement park completes one revolution every 40 seconds.The cars can reach the maximum of 5 metres above the ground and a minimum of 1metre above the ground. The height, h, in meters, above the ground can be modelledusing a sinusodial function. What is the radius of the ferris wheel?a) 2 metersb) 4 metersc) 2.5 metersd) 5 meters