If infrastructure is shared it doesn't mean you have more rights to pass than pedestrian.

Moreover, bell as a way to warn doesn't work. Because pedestrians will mostly get startled because of it and can actually do this sudden move you are trying to make them not do.

So if you are on fast vehicle comparing to others in the same infrastructure, you need to drive in a way, that you can't be affected of sudden turn of someone in front of you. Which basically means you need to slow down or give enough space for others to do their sudden moves.