Bhai saada alfaaz mei, Babusar say chilas jatay huay, recommended ye hai k accelerator use na karain. gari ko chotay gear mei rakhain, jb aap chotay gear mei rakhaein *** aur accelerator use nahi karain *** tou bhi gari khud he speed pakray gi because of the steep slope. 2nd gear mei gari khud bakhud, beghair accelerator k 70 tk ki speed pay jayegi, engine pay zor zarur paray ga but kyun k engine khud gari ko hold back kr raha hoga (because of a lower gear) tou apki brakes kam use hongi. iss concept ko engine braking kehtay hain. jahan zarurat paray wahan brake zarur use karain, but kam say kam.
Agar utaryi mei aap bara gear laga dein like 4th gear tou gari tou khud he 100 plus pay chali jaegi, thus you'll have to use brakes more often. brakes ziada use karnay say discs heat up ho jati hain and ahista ahista less effective ho jati hain which you don't want while going down a sleep slope