jm 1t]ëÌúûÀÍV-Ü×LCíí÷InRï»ÐÔàµL Bitcoin ABC's tx relay is explicitly rate limited to 7 to 14tx per second.
This was added to core by G. Maxwelle and P. Wuille.
and was overlooked by ABC devs
https://whatsonchain.com/tx/9d55b06a3b64b08a47f0ee0f1c47c5cfcb79695b45f6a116c0d399231974cf97