On a map with a scale of 1:5000000, the distance between A and B is 4.5 cm. If the car starts from point A at 9 am at a speed of 45 kilometers per hour, what time is point B?
在比例尺是1：5000000的地图上，量得甲、乙两地的距离为4.5厘米．如果汽车以45千米每小时的速度，上午9时从甲地出发，那么到底乙地是什么时间？
<result>14</result>