{"aspect_id":"AS38","aspect_name":"speed","aspect_reference":null,"aspect_symbol":"v","name":"speed mile per second","scale_id":"SC1075","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"v mi.s-1","unit_id":"UN1116","unit_name":"mile per second","unit_reference":null,"unit_symbol":"mi.s-1"}