in Science A large raindrop, about the size of a house fly… by Web Desk October 10, 2016, 6:59 am 54 Views A large raindrop, about the size of a house fly, has terminal fall speeds of about 10 meters per second (20 mph). Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website By using this form you agree with the storage and handling of your data by this website. *