Command doesn't work after 1.21.4 update
I used it while sitting on the horse to get the speed
the command now returns this error:
Continue to help postFound no elements matching RootVehicle.Entity.attributes[{id:"minecraft:generic.jump_strength"}]
execute store result score @s bacaped_horse_jump run data get entity @s RootVehicle.Entity.attributes[{id:"minecraft:generic.jump_strength"}].base 10000