When merging onto a freeway you should be driving
Merging onto a freeway or interstate is a coordinated acceleration and gap-selection task, not a simple right turn. The goal is to reach a speed close to the highway traffic flow, read the road markings and visibility, and blend into an open space without forcing other drivers to brake. Your position on the entrance ramp, signal use, mirror checks, and understanding of right of way all shape a safe entry. Unsupported generic claims about exact speeds do not apply everywhere, because road conditions and ramp length change the correct approach.
Direct answer
When merging onto a freeway you should be driving at a speed that matches the vehicles already in the right lane. The acceleration lane exists to give you room to build that speed before you cross the painted gore point. Driving too slowly at the end of the ramp forces faster traffic to react while your following distance collapses. Use the full length of the lane to scan the gap, signal early, and adjust your throttle instead of stopping unless traffic is truly stopped.
When entering an interstate highway you should treat the ramp as a preparation zone rather than a separate roadway. Check the side mirror and glance over your shoulder to clear the blind spot, then choose a target gap. If the gap is small, ease off the accelerator; if it is large, continue accelerating. Maintain driver attention because the merge requires continuous small adjustments, and never assume other vehicles will yield. Right of way belongs to traffic already on the mainline, so your job is to fit into existing flow.