At my house it’s 9.80424 m/s². This question was inspired by Spunky’s reply to this question: https://answermug.com/forums/topic/139919/if-i-were-to-lock-you-in-the-dungeon-and-make-you-homework-chall and Martina’s reply to this question: https://answermug.com/forums/topic/139911/you-hear-randy-d-has-hurt-himself-in-some-way-in-the-room-next-d/view/post_id/981238