{"aspect_id":"AS39","aspect_name":"acceleration","aspect_reference":null,"aspect_symbol":"a","name":"acceleration foot per second squared","scale_id":"SC799","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":"a ft.s-2","unit_id":"UN160","unit_name":"foot per second squared","unit_reference":null,"unit_symbol":"ft.s-2"}