'Abdullah Ibn 'Amro ibn al-'As (RAA) narrated that The Messenger of Allah (ﷺ) said:
"The Diyah for accidental and quasi-deliberate homicide -such as that inflicted with a whip or a stick- is a hundred camels, forty of which are pregnant she-camels." Related by Abu-Dawud, An-Nasa'i and Ibn Majah. Ibn Hibban graded it as Sahih. (ID)
English reference (ID): Book 9, Hadith 1222 (ID)
Arabic reference (ID): Book 9, Hadith 1193 (ID)